耳熟能详 (ěr shú néng xiáng): Familiar to the ear / Familiar — Meaning & Stroke Order

The melody of this song is very familiar; everyone can hum it.

Could it be that you know nothing about these familiar historical allusions?

The melody of this song is very familiar, and almost everyone can hum a few lines.

These idioms are very familiar in Chinese learning and form the foundation for improving language skills.